/***************************************
Show House
****************************************/
function splitter(objSrc) {
	if(objSrc.value.length>1) {			
		var HHHH = document.VisHusForm.HHHH;	
		HHHH.focus();				
		HHHH.value = objSrc.value.substring(2).replace('-','');
		objSrc.value = objSrc.value.substring(0,2);
	}		
}
function VisHus() {
	var RR = document.VisHusForm.RR.value;
	var HHHH = document.VisHusForm.HHHH.value;
	if( RR.length>0 && RR==29)
	{
		if( HHHH.length>0 && IsNumeric(HHHH) )
		{
			window.location = "/vis_hus_katalog.aspx?d="+ RR +"-"+ HHHH;
		}
	}
}
function IsNumeric(sText) {
   var ValidChars = "0123456789";
   var IsNumber=true;
 
   for (i = 0; i < sText.length && IsNumber == true; i++)
   { 
 	  var Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
      {
         return false;
      }
   }
   return IsNumber;
}
/***************************************
Order Catalogue
****************************************/
function hCatClick(control) {
	var hcatCount = 0;
	for(var i=0;i<document.forms[0].elements.length;i++) {
		if(document.forms[0].elements[i].id.indexOf("hcat_")!=-1 && document.forms[0].elements[i].checked) {
			hcatCount++;		
		}
	}
	if(hcatCount>1)
		control.checked = false;	
}
function lCatClick(control) {
	var lcatCount = 0;
	for(var i=0;i<document.forms[0].elements.length;i++) {
		if(document.forms[0].elements[i].id.indexOf("lcat_")!=-1 && document.forms[0].elements[i].checked)	{
			lcatCount++;		
		}
	}
	if(lcatCount>1)
		control.checked = false;	
}
/***********************************************
* Misc
***********************************************/
function writeit(text,id) {
    if (document.getElementById) {            
        var x = document.getElementById(id);
        x.innerHTML = '';
        x.innerHTML = text;
    } else if (document.all) {            
        var x = document.all[id];
        x.innerHTML = text;
    } else if (document.layers) {            
        var x = document.layers[id];
        text2 = '<P>' + text + '</P>';
        x.document.open();
        x.document.write(text2);
        x.document.close();
    }
}
/***********************************************
* Cycle pictures on houses
***********************************************/
var which_image_loaded = 0;
function changeImage(direction) {
    which_image_loaded += direction;
    if (which_image_loaded < 0) which_image_loaded = NUMBER_OF_IMAGES - 1;
    if (which_image_loaded == NUMBER_OF_IMAGES) which_image_loaded = 0;
    if (document.images) {
        document.houseimage.src = ImageNames[which_image_loaded];
        writeit( (which_image_loaded+1), 'div_number');
    }
} 
/************************************************************
* NotesblokCookie
*************************************************************/
function getexpirydate(nodays) {
    var UTCstring;
    Today = new Date();
    nomilli=Date.parse(Today);
    Today.setTime(nomilli+nodays*24*60*60*1000);
    UTCstring = Today.toUTCString();
    return UTCstring;
}
function setcookie(name,value,duration) {
    cookiestring=name+"="+escape(value)+";PATH=/;EXPIRES="+getexpirydate(duration);
    document.cookie=cookiestring;
    if(!getcookie(name)) return false;
    else return true;
}
function getcookie(cookiename) {
    var cookiestring=""+document.cookie;
    var index1=cookiestring.indexOf(cookiename);
    if (index1==-1 || cookiename=="") return ""; 
    var index2=cookiestring.indexOf(';',index1);
    if (index2==-1) index2=cookiestring.length; 
    return unescape(cookiestring.substring(index1+cookiename.length+1,index2));
}
function updateHouselist() {
    var HLCOOKIE = getcookie('HLCOOKIE');
    var elements = HLCOOKIE.split('#');
    var outputline = '';
    var count = 0;
    for(var i=0;i<elements.length;i++) {
        var element = elements[i].split('*');
        if(element[0].length>0) count++;
        var chkbox = document.getElementById('HL'+element[0]);
        if(chkbox) chkbox.checked = true;       
    }
    if(document.getElementById('husliste')) {
        if(count==0) {
            writeit('','husliste');            
        } else if(count==1) {
             writeit('('+ count +') ','husliste');
        } else {
            writeit('('+ count +')','husliste');      
        }                                          
	}
}   
function removeHouseElement(houseid) {
    var HLCOOKIE = getcookie('HLCOOKIE');
    setcookie('HLCOOKIE','',-1);
    var elements = HLCOOKIE.split('#');
    for(var i=0;i<elements.length;i++) {
        var element = elements[i].split('*');                
        if(element[0] != houseid) {
           addHouseElement(element[0],element[1]);
        }
    }
}
function addHouseElement(houseid,season) {
    var HLCOOKIE = getcookie('HLCOOKIE');
    if(HLCOOKIE.length>0) {
        var elements = HLCOOKIE.split('#');     
        var elementexists = false;     
        for(var i=0;i<elements.length;i++) {
            var element = elements[i].split('*');          
            if(element[0] == houseid && element[1] == season) elementexists = true;          
        }
        if(!elementexists) setcookie('HLCOOKIE',HLCOOKIE +'#'+ houseid +'*'+ season,365);
    } else {
        setcookie('HLCOOKIE',houseid +'*'+ season,365);
    }            
}
function addToFavorites(obj,houseid,season) {
    if(obj.checked) {
        addHouseElement(houseid,season);    
    } else {
        removeHouseElement(houseid);
    }
    updateHouselist();    
}
function updateHouseListHead() {
    var HLCOOKIE = getcookie('HLCOOKIE');
    var elements = HLCOOKIE.split('#');
    var outputline = '';
    var count = 0;
    for(var i=0;i<elements.length;i++) {
        var element = elements[i].split('*');
        if(element[0].length>0) count++;
        var chkbox = document.getElementById('HL'+element[0]);
        if(chkbox) chkbox.checked = true;       
    }
    if(document.getElementById('houselisthead')) {
        if(count==0) {
	    	writeit('Der er ingen sommerhuse p&aring; din liste','houselisthead');   	
    	} else if(count==1) {
	    	writeit('Du har '+ count +' sommerhus p&aring; listen','houselisthead');
    	} else {
	    	writeit('Du har '+ count +' sommerhuse p&aring; listen','houselisthead');  	
    	}                                           
    }
} 
function showdetails(val) {
	window.location="/vis_hus.aspx"+val;	
}
function book(val) {
	window.location="/booking.aspx"+val;	
}